class NullishValidator extends IsValidator<unknown, undefined | null>import { NullishValidator } from "https://deno.land/x/abstruct@1.0.0/mod.ts"; Nullish(null or undefined) validator. ExamplesExample 1 import { NullishValidator } from "https://deno.land/x/abstruct@$VERSION/validators/nullish.ts"; const validator = new NullishValidator(); PropertiesisMethodstoString(): string